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INVESTMENT IN AFFILIATES: (Tables)
 9 Months Ended
Mar. 31, 2018
Investments in and Advances to Affiliates, Schedule of Investments [Abstract]  
Summary of equity method investments
The table below presents the summarized Statement of Operations information for EEG:
 
 
For the Three Months
Ended March 31,
 
For the Nine Months 
 Ended March 31,
 
 
2018
 
2017
 
2018
 
2017
(Unaudited)
 
(Dollars in thousands)
Gross revenues
 
$
32,398

 
$
32,660

 
$
97,997

 
$
93,715

Gross profit
 
8,856

 
10,287

 
28,254

 
27,429

Operating (loss) income
 
(1,003
)
 
554

 
(142
)
 
336

Net (loss) income
 
(1,072
)
 
425

 
(382
)
 
(48
)